Pérez-González, Carlos
Alert, Ricard
Blanch-Mercader, Carles
Gómez-González, Manuel
Kolodziej, Tomasz
Bazellieres, Elsa
Casademunt, Jaume
Trepat, Xavier
Article History
Received: 13 December 2017
Accepted: 17 August 2018
First Online: 24 September 2018
Competing interests
: The authors declare no competing interests.